ProgramNode(0...15)(
  [],
  StatementsNode(0...15)(
    [BeginNode(0...15)(
       (0...5),
       StatementsNode(8...11)(
         [CallNode(8...11)(nil, nil, (8...11), nil, nil, nil, nil, 0, "foo")]
       ),
       nil,
       nil,
       nil,
       (12...15)
     )]
  )
)
